3) A negative test charge -q is released from rest at a distance r away from a c

Question

3) A negative test charge -q is released from rest at a distance r away from a charge of +Q and a distance 2r away from a charge of +2Q How will the test charge move immediately after being released: -q +2Q 2r To the right To the left Does not move Other Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. (Survey Question) 4) Briefly explain your answer to the previous question. Submit You currently have 0 submissions for this question. Only 10 submission are allowed You can make 10 more submissions for this question.

Explanation / Answer

3) to the left

4)

explanation

force between Q and -q is

f1 = kQq/r^2

force between 2Q and -q

f2 = k(2Q)*q/(2r)^2 = kQq/2r^2

f1 is greater than the f2 and force f1 is acting left side of the -q

so it will moves left direction

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